#include <cstdio>

using namespace std;

int st[10], viz[10];
int n;

void bkt(int k) {
    if(k == n + 1) {
        for(int i = 1; i <= n; ++ i) {
            printf("%d ", st[i]);
        }
        printf("\n");
        return ;
    }
    for(int i = 1; i <= n; ++ i) {
        if(viz[i] == 0) {
            viz[i] = 1;
            st[k] = i;
            bkt(k + 1);
            viz[i] = 0;
        }
    }
}

int main() {
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);

    scanf("%d", &n);
    bkt(1);

    return 0;
}